When I saw the subject, I did some research and became a member of this site just to answer you. I think if you are looking for a riding lawn mower the john deere e120 is an ideal product for the job. It has 20 horse power and has a V-Twin smooth running engine.
You can find detailed information on the John Deere official website: https://www.deere.com/en/mowers/lawn-tractors/100-series/e120-lawn-tractor/